<!DOCTYPE html>
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<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
    </head>
    <body>
        <?php
        $yuwen=90;
   $shuxue=85;
   $yingyu=75;
   $zong=$yuwen+$shuxue+$yingyu;
   $ping=$zong/3;
   echo "小明同学的总分是：".$zong.",平均分是:".$ping;
        ?>
    </body>
</html>
